snippet252.java

Eclipse JAVA开发软件中SWT各控件范例源码

/*******************************************************************************
 * Copyright (c) 2000, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.swt.snippets;

/*
 * LineAttributes example snippet: draw 2 polylines with different line attributes.
 *
 * For a list of all SWT example snippets see
 * http://www.eclipse.org/swt/snippets/
 */
import org.eclipse.swt.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.*;

public class Snippet252 {
	
	public static void main(String[] args) {
		final Display display = new Display();
		final Shell shell = new Shell(display);
		
		shell.addListener(SWT.Paint, new Listener() {
			public void handleEvent(Event event) {
				GC gc = event.gc;
				
				gc.setLineAttributes(new LineAttributes(10, SWT.CAP_FLAT, SWT.JOIN_MITER, SWT.LINE_SOLID, null, 0, 10));
				gc.drawPolyline(new int[]{50, 100, 50, 20, 60, 30, 50, 45});
				
				gc.setLineAttributes(new LineAttributes(1/2f, SWT.CAP_FLAT, SWT.JOIN_MITER, SWT.LINE_DOT, null, 0, 10));
				gc.drawPolyline(new int[]{100, 100, 100, 20, 110, 30, 100, 45});
			}
		});
		
		shell.setSize(150, 150);
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch()) display.sleep();
		}
		display.dispose();
	}
}